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虽然乌鲁木齐铁路局于2003年12月31日实现了TDCS全局覆盖,但在网络规划方面仍可以作进一步的优化,通过共用LAN、WAN、信道和路由器等手段,降低用户的直接投资和日后的运营成本,提高TDCS系统的运行效率和安全性、可靠性。图1既有TDCS广域网拓扑结构1既有TDCS系统广域网拓扑结构
Although the TDCS global coverage was implemented on December 31, 2003, Urumqi Railway Bureau still can make further optimization in network planning by reducing the direct investment of users and future operations by sharing LAN, WAN, channel and router Cost, improve the operation efficiency and safety of TDCS system, dependability. Figure 1 Existing TDCS WAN Topology 1 The existing TDCS system WAN topology